[test] upload screenshots as artifacts

Author: okwasniewski

.github/workflows/ci.yml

@@ -57,7 +57,18 @@ jobs:
           xcrun simctl launch "${UDID}" com.jscexample
 
       - name: Run iOS tests
-        run: export MAESTRO_DRIVER_STARTUP_TIMEOUT=190000; npm run test:e2e
+        run: |
+          export MAESTRO_DRIVER_STARTUP_TIMEOUT=190000
+          export MAESTRO_WAIT_TIMEOUT=10000
+          npm run test:e2e
+
+      - name: Upload Maestro screenshots
+        uses: actions/upload-artifact@v3
+        if: always()
+        with:
+          name: ios-maestro-screenshots
+          path: /Users/runner/.maestro/tests/
+          retention-days: 5
 
   android-build:
     name: Android Build